Race Condition in libvirt's Store Pool Lock Breaks Daemon on Read-Only Socket
CVE-2023-3750 Published on July 24, 2023

Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service
A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2023-3750 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Timeline

Reported to Red Hat.

Made public. 7 days later.

Weakness Type

Improper Locking

The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.


Products Associated with CVE-2023-3750

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-3750 are published in these products:

Red Hat Libvirt
 
Red Hat Enterprise Linux (RHEL)
 
Red Hat Advanced Virtualization
 
Libvirt
 

Affected Versions

Red Hat Enterprise Linux 9: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 7: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 8 Advanced Virtualization:

Exploit Probability

EPSS
0.16%
Percentile
36.90%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.